Watts FV-4M1-3/4 Automatic Air Vent Valve 3/4" Coffee 20" Heavy Duty Housing 1"

20" Heavy Duty Housing 1" with pressure relief button

Looking for the Replacement Cartridge

Specifications: S1Q plug in ballast

All internal rubber components in contact with fluid are of 300 series stainless steel

Watts FV-4M1-3/4 Automatic Air Vent Valve 3/4" Coffee 20" Heavy Duty Housing 1"Watts Series FV 4M1 3 4 Automatic Air Vent Valves provide automatic air venting for hot or cold water distribution systems. These vents purge air that may be in the water system. The vent valve utilizes a float to actuate the valve plug which is located at the top of the valve. Once the air is displaced and the system pressure is sustained, the valve plug seals and prevents any water from escaping from the system. The float vent can also operate as an